Open air sculptures by an eccentric and loin-clothed hermit.

An ancient tower built during Roman times as a lookout post still stands to this day.

Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

Whimsical sculptures and caves chiseled by nature over the millennia.

Two large eyes painted anonymously on a mountain overlooking the city pay homage to an old legend.

This medieval fortification has weathered the centuries better than any other structure from its era.

A magnificent, long-abandoned castle built in the wake of the reconquest of Spain.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

Sanctuary on a ridge near an ancient shrine to a "Black Madonna" built by the founder of Opus Dei.

Living towers made of people that are now recognized by UNESCO.

A house covered entirely with shells.

This small museum tucked within a subway station holds pieces from Madrid's past.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

An impressive home made of stone, carved more than a century ago.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

Hidden well off the beaten path in Catalonia is this crumbling medieval castle that is slowly being covered in graffiti.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

This huge abandoned fortress hidden inside a mountain holds a world of subterranean secrets.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.

This lucky bronze frog was gifted to Madrid by a casino.

An arresting arch punched straight through a mountain provides one of the most scenic spots, and challenging climbs, on the planet.

A celebration of solstice followed by a fiery purging of evils.

Semi-mystical manmade towers of rocks decorate this rocky seaside.